Spectrophotometric Studies on the Reaction of Diaveridine with Some Sulfonphthalein Dyes Based on Ion-Pair/Ion-Associate Complexes Formation
Table 4
Determination of diaveridine in pure preparation.
Reagent
Taken conc. (µg/mL)
Found conc.a (µg/mL)
Mean recovery (%)
SD
Fb-test
tb-test
I
9.1
9.07
99.7
0.035
0.494
0.36
10.4
10.37
99.7
0.019
0.15
0.49
II
9.1
9.14
100.4
0.029
0.34
0.53
10.4
10.44
100.4
0.022
0.20
0.60
III
9.1
9.15
100.5
0.034
0.46
0.61
10.4
10.43
100.3
0.020
0.13
0.50
IV
9.1
9.15
100.6
0.027
0.29
0.68
10.4
10.43
100.3
0.047
0.88
0.31
V
9.1
9.15
100.6
0.039
0.61
0.57
10.4
10.46
100.6
0.057
1.25
0.57
VI
9.1
9.13
100.3
0.039
0.61
0.34
10.4
10.42
100.2
0.067
1.80
0.17
VII
9.1
9.05
99.5
0.034
0.46
0.55
10.4
10.33
99.3
0.046
0.85
0.73
VIII
9.1
9.13
100.3
0.042
0.71
0.33
10.4
10.45
100.5
0.033
0.44
0.62
aFound concentration is the average of five values. bTheoretical values for t- and F-test at five degrees of freedom and 95% confidence limits are 2.57 and 5.05, respectively.
